RodderMods

Chassis stiffening

1961–75 Jaguar E-Type chassis stiffening

3 kits to stiffen the frame, from frame rails and connectors to braces and roll bars.

Stiffening kits

Prices checked Oct 14, 2026

AreaKitWhat it isPrice
Seam & weld-in plates Moss Motors Frame Brace, Front, V12 E-Type (C33497) Front frame cross brace for 1971-74 Series III. $198.99 Listed price Source
Roll bar & cage Safety Devices (sold by GSM SportSeats4U) Safety Devices Jaguar E-Type S1 Coupe Bolt-In Roll Cage (J039-S1) FIA/MSA-approved multipoint bolt-in cage mounting to sills and A-posts. See source Page shows from GBP 844.00 ex VAT (UK seller); no USD price Source
Structural repair panels Martin Robey Welled Floor Assembly for Jaguar E-Type Series 1 3.8 / XKE Complete floor assembly; full floor/sill assemblies also listed. See source Page shows GBP 2390.81 ex VAT (UK seller); no USD price Source

Prices are from the linked seller pages and change often. Confirm fitment for your exact year and body style before ordering; many weld-in parts need professional installation. Some links earn us a commission.